diff --git a/app/helpers/reports_helper.rb b/app/helpers/reports_helper.rb
index 239602208..54e1ca2d6 100644
--- a/app/helpers/reports_helper.rb
+++ b/app/helpers/reports_helper.rb
@@ -71,12 +71,7 @@ module ReportsHelper
                        suffix = '.csv'
                        name.empty? ? 'Table' : name
                      end
-          obj_name = to_filesystems_compatible_filename(
-            obj_name.truncate(
-              Constants::EXPORTED_FILE_NAME_TRUNCATION_LENGTH,
-              omission: ''
-            )
-          )
+          obj_name = to_filesystems_compatible_filename(obj_name)
           obj_name += "_Step#{parent.position + 1}#{suffix}"
           obj_folder_name = 'Protocol attachments'
           parent_module = if parent.protocol.present?
@@ -95,29 +90,16 @@ module ReportsHelper
                        suffix = '.csv'
                        name.empty? ? 'Table' : name
                      end
-          obj_name = to_filesystems_compatible_filename(
-            obj_name.truncate(
-              Constants::EXPORTED_FILE_NAME_TRUNCATION_LENGTH,
-              omission: ''
-            )
-          )
+          obj_name = to_filesystems_compatible_filename(obj_name)
           obj_name += suffix
           obj_folder_name = 'Results attachments'
           parent_module = parent
         end
 
-        parent_module_name = to_filesystems_compatible_filename(
-          parent_module.name.truncate(
-            Constants::EXPORTED_FILE_NAME_TRUNCATION_LENGTH,
-            omission: ''
-          )
-        )
-        parent_exp_name = to_filesystems_compatible_filename(
-          parent_module.experiment.name.truncate(
-            Constants::EXPORTED_FILE_NAME_TRUNCATION_LENGTH,
-            omission: ''
-          )
-        )
+        parent_module_name =
+          to_filesystems_compatible_filename(parent_module.name)
+        parent_exp_name =
+          to_filesystems_compatible_filename(parent_module.experiment.name)
 
         locals[:filename] = obj_name
         locals[:path] = "#{parent_exp_name}/#{parent_module_name}/" \
diff --git a/app/helpers/string_utility.rb b/app/helpers/string_utility.rb
index 5d43c13d6..20985efcf 100644
--- a/app/helpers/string_utility.rb
+++ b/app/helpers/string_utility.rb
@@ -12,6 +12,10 @@ module StringUtility
   end
 
   def to_filesystems_compatible_filename(file_or_folder_name)
+    file_or_folder_name = file_or_folder_name.truncate(
+      Constants::EXPORTED_FILENAME_TRUNCATION_LENGTH,
+      omission: ''
+    )
     file_or_folder_name.strip
                        .sub(/^[.-]*/, '')
                        .sub(/\.*$/, '')
diff --git a/config/initializers/constants.rb b/config/initializers/constants.rb
index 7d3093157..e133da3ba 100644
--- a/config/initializers/constants.rb
+++ b/config/initializers/constants.rb
@@ -25,8 +25,9 @@ class Constants
   DROPDOWN_TEXT_MAX_LENGTH = 15
   # Max characters for filenames, after which they get truncated
   FILENAME_TRUNCATION_LENGTH = 50
-  # Max characters for exported files' names, after which they get truncated
-  EXPORTED_FILE_NAME_TRUNCATION_LENGTH = 20
+  # Max characters for exported files' names and folders, after which they get
+  # truncated
+  EXPORTED_FILENAME_TRUNCATION_LENGTH = 20
 
   USER_INITIALS_MAX_LENGTH = 4
   # Password 'key stretching' factor